Plant grow light



FIG. 1 is a front elevational view of a plant grow light showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG, 6 is a bottom plan view thereof;

FIG. 7 is front, top, right perspective view of a plant grow light showing my new design; and,

FIG. 8 is a rear, bottom, left perspective view thereof.

The broken lines in the figures are included for the purpose of illustrating portions of the article which form no part of the claimed design. 

CLAIM The ornamental design for a plant grow light, as shown and described. 